--- old/src/hotspot/os_cpu/solaris_x86/prefetch_solaris_x86.inline.hpp	2020-05-01 02:30:07.284876851 -0700
+++ /dev/null	2020-03-09 18:57:19.455001459 -0700
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef OS_CPU_SOLARIS_X86_PREFETCH_SOLARIS_X86_INLINE_HPP
-#define OS_CPU_SOLARIS_X86_PREFETCH_SOLARIS_X86_INLINE_HPP
-
-#include "runtime/prefetch.hpp"
-
-extern "C" {
-  void _Prefetch_read (void *loc, intx interval);
-  void _Prefetch_write(void *loc, intx interval);
-}
-
-inline void Prefetch::read (void *loc, intx interval) {
-#ifdef AMD64
-  _Prefetch_read(loc, interval);
-#endif // AMD64
-}
-
-// Use of this method should be gated by VM_Version::has_prefetchw.
-inline void Prefetch::write(void *loc, intx interval) {
-#ifdef AMD64
-  _Prefetch_write(loc, interval);
-#endif // AMD64
-}
-
-#endif // OS_CPU_SOLARIS_X86_PREFETCH_SOLARIS_X86_INLINE_HPP